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EP 4 308 561 A1

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(43) Date of publication: 24.01.2024 Bulletin 2024/04 (21) Application number: 22807764.0 (22) Date of filing: 10.05.2022

(51) International Patent Classification (IPC):  C07D 453/02(2006.01) A61P 3/00(2006.01) A61P 43/00(2006.01) A61K 31/439(2006.01) A61P 25/16(2006.01) (52) Cooperative Patent Classification (CPC): A61P 43/00; A61P 3/00; C07D 453/02; A61P 25/16 (86) International application number: PCT/KR2022/006613 (87) International publication number: WO 2022/240116 (17.11.2022 Gazette 2022/46)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 11.05.2021 KR 20210060942 (71) Applicants: Yuhan Corporation Seoul 06927 (KR) Green Cross Corporation Yongin-si, Gyeonggi-do 16924 (KR)	(72) Inventors: KIM, Dong-Hoon Suwon-si Gyeonggi-do 16684 (KR) JOO, Jae-Eun Yongin-si Gyeonggi-do 17097 (KR) SHIN, Seung-Yub Seongnam-si Gyeonggi-do 13616 (KR) KWON, Sool-Ki Yongin-si Gyeonggi-do 17086 (KR) PARK, Jong-Suk Anyang-si Gyeonggi-do 14044 (KR) (74) Representative: Turner, Craig Robert et al AA Thornton IP LLP 8th Floor, 125 Old Broad Street London EC2N 1AR London EC2N 1AR (GB)